thevenin_problem4

# thevenin_problem4 - Sample Problem Topic Thvenin and Norton...

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Sample Problem Topic: Thévenin and Norton equivalents Statement of Problem: Given the circuit shown in the figure below Find the percentage of power that is developed in the circuit that is delivered to R o when it is set for maximum power transferred. Solution In this problem, we need to solve for the Thevenin equivalent to calculate the R O value that is set to maximum. As you may know, when the load resistor is set to R TH , you get maximum power delivery. First, we can find the Thevenin equivalent: When looking at the circuit from this perspective, we just perform a simple single node analysis. Vth is the voltage drop across the center branch. ° ±² 18 6000 + ° ±² 50 10000 = 0 Solving, we get that V TH = 30V To calculate the R TH value, we simply short the voltage sources and then calculate the resistance using basic circuit manipulation techniques. The 4K Ω and 2KΩ resistors are in series. These two resistors are in parallel with the 10KΩ resistor. Finall y, this equivalent resistance is in series

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## This note was uploaded on 10/30/2011 for the course EE 215 taught by Professor Unknown during the Spring '05 term at University of Washington.

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thevenin_problem4 - Sample Problem Topic Thvenin and Norton...

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